Nest Learning Thermostat (4th gen)

Colors
Polished Silver
Polished Obsidian
Polished Gold
Polished Silver
Polished Obsidian
Polished Gold
Dimensions and weight
Diameter: 3.9 in (98 mm)
Depth: 1.1 in (29 mm)
Weight: 5.7 oz (161.8 g)
Diameter: 3.9 in (98 mm)
Depth: 1.1 in (29 mm)
Weight: 5.7 oz (161.8 g)
Display
2.7 inch (68 mm) diameter circular liquid crystal display (600 x 600 pixels)
2.7 inch (68 mm) diameter circular liquid crystal display (600 x 600 pixels)
Sensors
Soli sensor for Motion Sense (learn more at g.co/nest/sensors)
Temperature
Humidity
Ambient light
Soli sensor for Motion Sense (learn more at g.co/nest/sensors)
Temperature
Humidity
Ambient light
Power
Power consumption
Less than 1 kWh/month
Power source
HVAC system wiring
Battery
Built-in rechargeable lithium battery
Power consumption
Less than 1 kWh/month
Power source
HVAC system wiring
Battery
Built-in rechargeable lithium battery
Connectivity
Wi-Fi 802.11n (2.4 GHz / 5 GHz)
Wi-Fi 802.11n (2.4 GHz / 5 GHz)
HVAC system compatibility
The Nest Learning Thermostat (4th gen) works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant.
It can control: Heating 1, 2, and 3 stages (W1, W2, W3); Cooling 1 and 2 stages (Y1, Y2); Heat pump with auxiliary and emergency heat (O/B, AUX, E); Fan (G, G2, G3); Power (C, RH, RC); Humidifier and dehumidifier (HUM, DEHUM); Ventilation (VENT).
The Nest Learning Thermostat’s* connector can accept one of these wires: W3, E, HUM, or DEHUM. The AQ+ and AQ- connectors can accept 1-wire or 2-wire VENT, HUM, or DEHUM.
Use the compatibility checker (g.co/nest/works) to see if your system is compatible
The Nest Learning Thermostat (4th gen) works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant.
It can control: Heating 1, 2, and 3 stages (W1, W2, W3); Cooling 1 and 2 stages (Y1, Y2); Heat pump with auxiliary and emergency heat (O/B, AUX, E); Fan (G, G2, G3); Power (C, RH, RC); Humidifier and dehumidifier (HUM, DEHUM); Ventilation (VENT).
The Nest Learning Thermostat’s* connector can accept one of these wires: W3, E, HUM, or DEHUM. The AQ+ and AQ- connectors can accept 1-wire or 2-wire VENT, HUM, or DEHUM.
Use the compatibility checker (g.co/nest/works) to see if your system is compatible
Power compatibility
Patented Power Sharing technology
The Nest Learning Thermostat (4th gen) is designed to work whether or not your home has a common (“C”) wire.
In limited cases (<1%), a C wire or Nest Power Connector may be necessary to ensure that your HVAC system can provide sufficient power to the thermostat in all conditions. See g.co/nest/cwire for details.
Use the compatibility checker (g.co/nest/works) to see if you may need a Nest Power Connector or C wire.
Patented Power Sharing technology
The Nest Learning Thermostat (4th gen) is designed to work whether or not your home has a common (“C”) wire.
In limited cases (<1%), a C wire or Nest Power Connector may be necessary to ensure that your HVAC system can provide sufficient power to the thermostat in all conditions. See g.co/nest/cwire for details.
Use the compatibility checker (g.co/nest/works) to see if you may need a Nest Power Connector or C wire.
Smart home and voice assistant compatibility
Works with Google Home and Matter
Installation and setup requires the Google Home app.
Control the Nest Learning Thermostat with Google Home and other Matter-enabled apps and voice assistants.
Works with Google Home and Matter
Installation and setup requires the Google Home app.
Control the Nest Learning Thermostat with Google Home and other Matter-enabled apps and voice assistants.
Accessories
Trim plate to cover paint and drywall imperfections (included)
Steel plate for installation on electrical box (included)
Trim plate to cover paint and drywall imperfections (included)
Steel plate for installation on electrical box (included)
Warranty
2-year standard warranty for retail
5-year standard warranty for HVAC Pros
2-year standard warranty for retail
5-year standard warranty for HVAC Pros
Sustainability
Battery contains 100% recycled cobalt
The Nest Learning Thermostat (4th gen) and Nest Temperature Sensor (2nd gen) bundle is made with at least 33% recycled materials.
Packaging uses 100% plastic-free materials.
Battery contains 100% recycled cobalt
The Nest Learning Thermostat (4th gen) and Nest Temperature Sensor (2nd gen) bundle is made with at least 33% recycled materials.
Packaging uses 100% plastic-free materials.
Certifications
ENERGY STAR® certified thermostat
ENERGY STAR® certified thermostat
Languages
English
French
Spanish
English
French
Spanish
What’s in the box

Thermostat display


Thermostat base


Trim plate


Steel plate


Mounting screws and wiring labels


Nest Temperature Sensor (2nd gen)

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1
Measurement based on thermostat display only.
2
Check csa-iot.org/members for more information on Matter-certified smart home platforms. To control Matter-enabled Google devices with a 3rd party platform or app, you may need a device that works as a Matter hub from the 3rd party manufacturer.
3
Cobalt is 15% of the battery weight.
4
Based on product weight.
5
Based on retail packaging (excluding adhesive materials and required plastic stickers) as shipped by Google. To meet the request of some retail partners, stickers and/or security tags are applied to some packaging variations and may contain plastic. ENERGY STAR and the ENERGY STAR mark are registered trademarks owned by the U.S. Environmental Protection Agency.